The modern man Zhang Ye unexpectedly travels back in time to ancient China. He initially believes that with his modern knowledge, he can navigate this new world with ease and rise to the pinnacle of success. However, the harsh reality of ancient society soon sets in. Despite his wisdom and knowledge, the rigid class structure and lack of social status leave Zhang Ye struggling to make progress.
Left with no other options, Zhang Ye pins his hopes on the imperial examination. In the impoverished Zhang family, he endures humiliation and exploitation at the hands of the local landlord. Finally, good news arrives—he passes the entry-level exam and earns the qualification to continue advancing in the system.
Yet another obstacle arises: Zhang Ye lacks the funds to travel to the capital for the next exam. Unbeknownst to him, his father, desperate to help his son succeed, secretly sells himself and Zhang Ye's younger sister to the landlord Luo family as servants to raise the money. On the day Zhang Ye sets out for
